Home / 2,799.03-3,858.57-1,957.12

Finding the Fourth Proportional to 2,799.03, 3,858.57 and 1,957.12

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Solution

The fourth proportional to 2,799.03, 3,858.57 and 1,957.12 is: 2,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.03 : 3,858.57 = 1,957.12 : x
  2. Step 2: Convert to fraction form
    2,799.03/3,858.57 = 1,957.12/x
  3. Step 3: Cross multiply
    2,799.03x = 3,858.57 × 1,957.12
  4. Step 4: Simplify right side
    2,799.03x = 7,551,674.87
  5. Step 5: Solve for x
    x = 7,551,674.87/2,799.03
  6. Step 6: Final answer
    x = 2,697.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.